package com.springcloud.controller;

import com.springcloud.entities.CommonResult;
import com.springcloud.entities.Payment;
import com.springcloud.serive.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

@RestController
@Slf4j
public class PaymentController {
    @Resource
    private PaymentService paymentService;

    //获取当前端口号${server.port}
    @Value("${server.port}")
    private String serverPort;
    //引入cloud的DiscoveryClient在做服务发现
    @Resource
    private DiscoveryClient discoveryClient;

    @PostMapping(value = "/payment/create")
    public CommonResult create(@RequestBody Payment payment)
    {
        int result = paymentService.create(payment);
        log.info("*****插入操作返回结果:" + result);

        if(result > 0)
        {
            return new CommonResult(200,"插入数据库成功,serverPort"+serverPort,result);
        }else{
            return new CommonResult(444,"插入数据库失败",null);
        }
    }

    @GetMapping(value = "/payment/get/{id}")
    public CommonResult<Payment> getPaymentById(@PathVariable("id") Long id)
    {
        Payment payment = paymentService.getPaymentById(id);
        log.info("*****查询结果:{}"+serverPort,payment);
        if (payment != null) {
            return new CommonResult(200,"查询成功,serverPort"+serverPort,payment);
        }else{
            return new CommonResult(444,"没有对应记录,查询ID: "+id,null);
        }
    }

    @GetMapping("/payment/discovery")
    public Object discovery(){
          //获取Eureka上注册的服务信息
        List<String> services = discoveryClient.getServices();
        for(String s:services){
           log.info(s);
        }
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        for (ServiceInstance instance:instances){
            log.info(instance.getServiceId()+"，"+instance.getHost());
        }
        return this.discoveryClient;
    }
    @GetMapping("/payment/lb")
    public String getPayment(){
        return serverPort;
    }
    //
    @GetMapping("/payment/feign/timeout")
    public String paymentFeignTimeout(){
        try {
            TimeUnit.SECONDS.sleep(3);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return serverPort;
    }

    @GetMapping("/payment/zipkin")
    public String paymentZipkin()
    {
        return "hi ,i'am paymentzipkin server fall back，welcome to atguigu，O(∩_∩)O哈哈~";
    }
}
